618940383138

Names of 618940383138

• Cardinal: 618940383138 can be written as Six hundred eighteen billion, nine hundred forty million, three hundred eighty-three thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 6.18940383138 × 10¹¹

Factors of 618940383138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 241

Divisors of 618940383138

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 27 33 42 54 61 63 66 77 81 99 121 122 126 154 157 162 183 189 198 231 242 243 297 314 363 366 378 427 462 471 486 549 567 594 671 693 726 847 854 891 942 1089 1098 1099 1134 1281 1342 1386 1413 1647 1694 1701 1727 1782 2013 2079 2178 2198 2541 2562 2673 2826 3267 3294 3297 3402 3454 3843 4026 4158 4239 4697 4941 5082 5181 5346 6039 6237 6534 6594 7381 7623 7686 8478 9394 9577 9801 9882 9891 10362 11529 12078 12089 12474 12717 14091 14762 14823 15246 15543 18117 18711 18997 19154 19602 19782 22143 22869 23058 24178 24649 25434 28182 28731 29403 29646 29673 31086 34587 36234 36267 37422 37994 38151 42273 44286 45738 46629 49298 51667 54351 56991 57462 58806 59346 66429 67039 68607 69174 72534 73947 76302 84546 86193 89019 93258 103334 103761 105347 108702 108801 113982 126819 132858 132979 134078 137214 139887 147894 155001 163053 170973 172386 172543 178038 199287 201117 205821 207522 210694 217602 221841 253638 258579 265958 267057 271139 279774 310002 316041 326106 326403 341946 345086 380457 398574 398937 402234 411642 419661 443682 465003 512919 517158 517629 534114 542278 597861 603351 632082 652806 665523 737429 760914 775737 797874 813417 839322 930006 948123 979209 1025838 1035258 1141371 1158817 1195722 1196811 1206702 1331046 1395009 1474858 1503589 1538757 1551474 1552887 1626834 1793583 1810053 1896246 1897973 1958418 1996569 2212287 2282742 2317634 2327211 2393622 2440251 2790018 2844369 2937627 2982529 3007178 3077514 3105774 3476451 3587166 3590433 3620106 3795946 3993138 4185027 4424574 4510767 4616271 4654422 4658661 4880502 5430159 5688738 5693919 5875254 5965058 5989707 6636861 6952902 7180866 7320753 8111719 8370054 8533107 8947587 9021534 9232542 9317322 10429353 10525123 10771299 10860318 11387838 11979414 12555081 13273722 13532301 13975983 14641506 16223438 16290477 16539479 17066214 17081757 17895174 19910583 20858706 20877703 21050246 21542598 21962259 24335157 25110162 25599321 26842761 27064602 27951966 31288059 31575369 32313897 32580954 33078958 34163514 39821166 40596903 41755406 41927949 43924518 48670314 49618437 51198642 51245271 53685522 59731749 62576118 62633109 63150738 64627794 65886777 73005471 80528283 81193806 83855898 93864177 94726107 99236874 102490542 115776353 119463498 121790709 125266218 131773554 146010942 148855311 153735813 161056566 179195247 181934269 187728354 187899327 189452214 219016413 231552706 241584849 243581418 281592531 284178321 297710622 307471626 347329059 358390494 363868538 365372127 375798654 438032826 446565933 461207439 483169698 545802807 563185062 563697981 568356642 657049239 694658118 724754547 730744254 852534963 893131866 922414878 1041987177 1091605614 1127395962 1273539883 1314098478 1339697799 1449509094 1637408421 1691093943 1705069926 1971147717 2083974354 2547079766 2557604889 2679395598 3125961531 3274816842 3382187886 3820619649 3942295434 4019093397 4912225263 5073281829 5115209778 6251923062 7641239298 8038186794 9377884593 9824450526 10146563658 11461858947 14736675789 18755769186 22923717894 28133653779 29473351578 34385576841 44210027367 56267307558 68771153682 88420054734 103156730523 206313461046 309470191569 618940383138
• Sum of all divisors σ(n): 1787023248192
• Sum of proper divisors (its aliquot sum) s(n): 1168082865054
• 618940383138 is an abundant number, because the sum of its proper divisors (1168082865054) is greater than itself. Its abundance is 549142481916

Bases of 618940383138

• Binary: 1001000000011011101110001011111110100010₂
• Hexadecimal: 0x901BB8BFA2
• Base-36: 7WC54G4I

Squares and roots of 618940383138

• 618940383138 squared (618940383138²) is 383087197879014234727044
• 618940383138 cubed (618940383138³) is 237108137030499891411712478210184072
• The square root of 618940383138 is 786727.6422867063
• The cube root of 618940383138 is 8522.1584857977

Scales and comparisons

• 618,940,383,138 seconds is equal to 19,680 years, 20 weeks, 1 day, 20 hours, 12 minutes, 18 seconds.
• To count from 1 to 618,940,383,138 would take you about thirty-nine thousand, three hundred sixty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 618940383138 cubic inches would be around 710.2 feet tall.

Recreational maths with 618940383138

• 618940383138 backwards is 831383049816
• 618940383138 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 618940383138's digits is 54
• More coming soon!